Cheapest return flights from Newark to Seoul in October from $777

AirHint found the following cheapest return flights from Newark (EWR) to Seoul (ICN) in October 2025 (see full year).

Return flights

23 Oct - 05 Nov Porter Airlines (Canada) Ltd
05 Oct - 10 Oct Alaska Airlines
21 Oct - 28 Oct Spirit Airlines
21 Oct - 24 Nov Spirit Airlines
01 Oct - 08 Oct Alaska Airlines
22 Oct - 29 Oct Alaska Airlines
20 Oct - 08 Nov Spirit Airlines
20 Oct - 31 Oct Spirit Airlines
31 Oct - 11 Nov Alaska Airlines
23 Oct - 07 Nov Porter Airlines (Canada) Ltd
22 Oct - 12 Nov Alaska Airlines
14 Oct - 30 Oct Spirit Airlines
01 Oct - 21 Oct Alaska Airlines
22 Oct - 30 Oct Air Canada
26 Oct - 22 Nov Porter Airlines (Canada) Ltd
02 Oct - 02 Nov Ethiopian Airlines
24 Oct - 01 Nov Spirit Airlines
01 Oct - 23 Oct Spirit Airlines
21 Oct - 30 Oct Spirit Airlines
22 Oct - 17 Nov Alaska Airlines

Also check the deals for one-way flights from Newark to Seoul in October.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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